content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------
   * XYDrawableAnnotationTests.java
   * ------------------------------
   * (C) Copyright 2003-2012, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 19-Aug-2003 : Version 1 (DG);
   * 01-Oct-2004 : Fixed bugs in tests (DG);
   * 07-Jan-2005 : Added hashCode() test (DG);
   * 23-Apr-2008 : Added testPublicCloneable() (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.annotations;
  
  import org.jfree.chart.ui.Drawable;
  import org.jfree.chart.util.PublicCloneable;
  import org.junit.Test;
  
  import java.awt.Graphics2D;
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.io.Serializable;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for the {@link XYDrawableAnnotation} class.
   */
  public class XYDrawableAnnotationTest  {
  
      static class TestDrawable implements Drawable, Cloneable, Serializable {
          /**
           * Default constructor.
           */
          public TestDrawable() {
          }
          /**
           * Draws something.
           * @param g2  the graphics device.
           * @param area  the area in which to draw.
           */
          @Override
          public void draw(Graphics2D g2, Rectangle2D area) {
              // do nothing
          }
          /**
           * Tests this object for equality with an arbitrary object.
           * @param obj  the object to test against (<code>null</code> permitted).
           * @return A boolean.
           */
          @Override
          public boolean equals(Object obj) {
              if (obj == this) {
                  return true;
              }
              if (!(obj instanceof TestDrawable)) {
                  return false;
              }
              return true;
          }
          /**
           * Returns a clone.
           *
           * @return A clone.
           *
           * @throws CloneNotSupportedException if there is a problem cloning.
           */
          @Override
          public Object clone() throws CloneNotSupportedException {
              return super.clone();
          }
      }
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          XYDrawableAnnotation a1 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          XYDrawableAnnotation a2 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          assertEquals(a1, a2);
  
          a1 = new XYDrawableAnnotation(11.0, 20.0, 100.0, 200.0,
                  new TestDrawable());
          assertFalse(a1.equals(a2));
          a2 = new XYDrawableAnnotation(11.0, 20.0, 100.0, 200.0,
                  new TestDrawable());
          assertEquals(a1, a2);
  
          a1 = new XYDrawableAnnotation(11.0, 22.0, 100.0, 200.0,
                  new TestDrawable());
          assertFalse(a1.equals(a2));
          a2 = new XYDrawableAnnotation(11.0, 22.0, 100.0, 200.0,
                  new TestDrawable());
          assertEquals(a1, a2);
  
          a1 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 200.0,
                  new TestDrawable());
          assertFalse(a1.equals(a2));
          a2 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 200.0,
                  new TestDrawable());
          assertEquals(a1, a2);
  
          a1 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 202.0,
                  new TestDrawable());
          assertFalse(a1.equals(a2));
          a2 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 202.0,
                  new TestDrawable());
          assertEquals(a1, a2);
  
          a1 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 202.0, 2.0,
                  new TestDrawable());
          assertFalse(a1.equals(a2));
          a2 = new XYDrawableAnnotation(11.0, 22.0, 101.0, 202.0, 2.0,
                  new TestDrawable());
          assertEquals(a1, a2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashCode() {
          XYDrawableAnnotation a1 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          XYDrawableAnnotation a2 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          assertEquals(a1, a2);
          int h1 = a1.hashCode();
          int h2 = a2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          XYDrawableAnnotation a1 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          XYDrawableAnnotation a2 = (XYDrawableAnnotation) a1.clone();
          assertNotSame(a1, a2);
          assertSame(a1.getClass(), a2.getClass());
          assertEquals(a1, a2);
      }
  
      /**
       * Checks that this class implements PublicCloneable.
       */
      @Test
      public void testPublicCloneable() {
          XYDrawableAnnotation a1 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
          assertTrue(a1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          XYDrawableAnnotation a1 = new XYDrawableAnnotation(10.0, 20.0, 100.0,
                  200.0, new TestDrawable());
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(a1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          XYDrawableAnnotation a2 = (XYDrawableAnnotation) in.readObject();
          in.close();
  
          assertEquals(a1, a2);
  
      }
  
  }
  